Home / 7,118.46-10,676.43-1,924.74

Finding the Fourth Proportional to 7,118.46, 10,676.43 and 1,924.74

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Solution

The fourth proportional to 7,118.46, 10,676.43 and 1,924.74 is: 2,886.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.46 : 10,676.43 = 1,924.74 : x
  2. Step 2: Convert to fraction form
    7,118.46/10,676.43 = 1,924.74/x
  3. Step 3: Cross multiply
    7,118.46x = 10,676.43 × 1,924.74
  4. Step 4: Simplify right side
    7,118.46x = 20,549,351.88
  5. Step 5: Solve for x
    x = 20,549,351.88/7,118.46
  6. Step 6: Final answer
    x = 2,886.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.